<?php
$server="localhost";
$username="root";
$password="";
$dbname="account_db";
$mysqli= new mysqli ($server,$username,$password);
$result= mysqli_query($mysqli,"create database account_db");
echo "<p>创建数据库：";
var_dump($result);
$result =mysqli_query($mysqli,"use account_db");
echo "<p>选择数据库";
var_dump($result);
$result= mysqli_query($mysqli,"set names utf8");
echo "<p>设置数据库编码：";
var_dump ( $result );
$result = mysqli_query ( $mysqli, "create table account(id int auto_increment primary key, username varchar(50) not null, password varchar(50) not null, email varchar(50) not null)");
echo "<p>创建表：";
var_dump ($result);
$result =mysqli_query ($mysqli, "insert into account(username,password,email) values ('s21h','04545','js1ay@example.com')");
echo "<p>插入数据";
var_dump ( $result) ;
mysqli_close ( $mysqli );
?>